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be2net: Fix 32-bit DMA Mask handling 

Fix to set the coherent DMA mask only if dma_set_mask() succeeded, and to
error out if either fails.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Somnath Kotur 2013-06-11 17:18:22 +05:30 committed by David S. Miller
parent e86c986137
commit 0c5fed09ab
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/emulex/benet/be_main.c
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@ -4262,6 +4262,9 @@ static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id)
netdev->features |= NETIF_F_HIGHDMA;
} else {
status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (!status)
status = dma_set_coherent_mask(&pdev->dev,
DMA_BIT_MASK(32));
if (status) {
dev_err(&pdev->dev, "Could not set PCI DMA Mask\n");
goto free_netdev;